Torque specifications – Rockwell Automation 20B PowerFlex 700 Drives - Frame 10 Components Replacement User Manual
Page 19

Rockwell Automation Publication 20B-IN026B-EN-P - July 2013
19
Component Diagrams and Torque Specifications
Chapter 1
Torque Specifications
The following table lists fastener locations by component, how the fasteners are
used, and torque specifications. See
in this chapter for fastening
two-point, four-point, and six-point components to the heat sink.
Table 1 - Inverter Torque Specifications
Torque
Component
Fastener Application
lb•in
N•m
24V Power Supply Board
Fasten to the Stacking Panel
16
1.8
AC Output Busbar
Fasten to the standoff set screws and IGBT
heatsink
50
5.6
Balancing Resistor
Fasten to the DC+ Busbar of the Transitional
Busbar Assembly
26
2.9
Busbar (U, V, W)
Fasten to the Output Busbar
208
23.5
Bus Capacitor Busbar
Fasten to the Bus Capacitors
50
5.6
Bus Capacitor Set Screw (longer)
Fasten to Capacitor (for mounting to Transitional
Busbar Assembly)
3
0.3
Bus Capacitor Set Screw (shorter)
Fasten to Capacitor (for mounting to Bus Capacitor
Busbar)
2
0.2
Capacitor Bank Fan
Fasten to bottom of Capacitor bank
16
1.8
Current Transducer Assembly
Fasten to the Heatsink
50
5.6
Current Transducer Mounting
Brackets
Fasten to Current Transducer
50
5.6
DC Bus Filter Board
Fasten to the Stacking Panel
16
1.8
Encoder Board
Fasten to the Main Control Panel
5
0.6
Fan Transformer
(IP20 version only)
Fasten to the IP20 Enclosure
Hand Tighten
Flexible Capacitor Busbars
Fasten to the Transitional Busbar and IGBT board
50
5.6
Gate Interface Board
Fasten to the chassis
16
1.8
Heatsink Fan
Fasten to mounting plate
26
2.9
Heatsink Fan Mounting Plate
Fasten to chassis
50
5.6
HIM Cradle/Board
Fasten to the Communications Panel
26
2.9
IGBT Boards
Fasten to Heatsink
Initial Sequence:
6
0.7
Second Sequence:
14
1.6
Final Sequence:
50
5.6
Main Control Board
Fasten to the Main Control Panel
5
0.6
Main Control Panel Assembly
Fasten to the Stacking Panel
50
5.6
Output Busbar
Fasten to the AC Output Busbar
80
9.0
Output Busbar Standoff Nuts
Fasten to the Output Busbar
50
5.6
Power Interface Board
Fasten to the Main Control Panel
16
1.8
Stacking Panel
Fasten to the chassis
50
5.6